<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(runoob.com)</title>  
<style>
div.img {
    margin: 5px;
    border: 1px solid #ccc;
    float: left;
    width: 180px;
}
div.img:hover {
    border: 1px solid #777;
}
div.img img {
    width: 100%;
    height: auto;
}
div.desc {
    padding: 15px;
    text-align: center;
}
</style>
</head>
<body>
<div class="responsive">
    <div class="img">
        <a target="-blank" href="https://static.runoob.com/images/demo/demo1.jpg">
            <img src="https://static.runoob.com/images/demo/demo1.jpg" alt="图片文本描述" width="300" height="200">
            </a>
    <div class="desc">这里添加图片文本描述</div>
    </div>
</div>

<div class="responsive">
    <div class="img">
         <a target="-blank" href="https://static.runoob.com/images/demo/demo2.jpg">
            <img src="https://static.runoob.com/images/demo/demo2.jpg" alt="图片文本描述" width="300" height="200">
            </a>
            <div class="desc">这里添加图片文本描述</div>
            </div>
</div>



</body>
</html>